Altered microbiota of rectal mucosa in rectal cancer patients

Table 1 Clinical characteristics of rectal cancer and healthy subjects, mean ± SD or n (%)

	RC, n = 72	Control, n = 71	P value
Age, year	64.38 ± 11.34	50.10 ± 11.44	< 0.05
Male	52 (72.2)	47 (66.2)	0.435
Female	20 (27.8)	24 (33.8)
BMI, kg/m2	22.41 ± 3.10	22.95 ± 2.24	0.230
TNM stage
I	21 (29.2)
II	15 (20.8)
III	33 (45.8)
IV	3 (4.2)

RC: Rectal cancer; BMI: Body mass index; TNM: Tumor-node-metastasis.